/*
 * This file is part of aion-engine <aion-engine.com>
 *
 * aion-engine is private software: you can redistribute it and or modify
 * it under the terms of the GNU Lesser Public License as published by
 * the Private Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * aion-engine is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser Public License for more details.
 *
 * You should have received a copy of the GNU Lesser Public License
 * along with aion-engine.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.aionengine.gameserver.model.team2.group;

import com.aionengine.gameserver.model.gameobjects.player.Player;
import com.google.common.base.Predicate;

/**
 * @author ATracer
 */
public class PlayerGroupStats implements Predicate<Player> {

    private final PlayerGroup group;
    private int minExpPlayerLevel;
    private int maxExpPlayerLevel;

    Player minLevelPlayer;
    Player maxLevelPlayer;

    PlayerGroupStats(PlayerGroup group) {
        this.group = group;
    }

    public void onAddPlayer(PlayerGroupMember member) {
        group.applyOnMembers(this);
        calculateExpLevels();
    }

    public void onRemovePlayer(PlayerGroupMember member) {
        group.applyOnMembers(this);
    }

    private void calculateExpLevels() {
        minExpPlayerLevel = minLevelPlayer.getLevel();
        maxExpPlayerLevel = maxLevelPlayer.getLevel();
        minLevelPlayer = null;
        maxLevelPlayer = null;
    }

    @Override
    public boolean apply(Player player) {
        if (minLevelPlayer == null || maxLevelPlayer == null) {
            minLevelPlayer = player;
            maxLevelPlayer = player;
        } else {
            if (player.getCommonData().getExp() < minLevelPlayer.getCommonData().getExp()) {
                minLevelPlayer = player;
            }
            if (!player.isMentor() && player.getCommonData().getExp() > maxLevelPlayer.getCommonData().getExp()) {
                maxLevelPlayer = player;
            }
        }
        return true;
    }

    public int getMinExpPlayerLevel() {
        return minExpPlayerLevel;
    }

    public int getMaxExpPlayerLevel() {
        return maxExpPlayerLevel;
    }

}
